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POWERTRAIN SYSTEM OUTLINE

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2016 – MX-5 – Transmission/Transaxle

POWERTRAIN SYSTEM OUTLINE

Outline

  • The powertrain consists of a 4-piece multi-plate clutch, 4-piece multi-plate brake, 4-piece one-way clutch, and a 3-piece single-type planetary gear.

Construction

Component parts list

Clutch/Brake

Movement

C1 clutch

  • Engages input shaft and intermediate shaft via F4 one-way clutch.

C2 clutch

  • Engages input shaft and middle planetary carrier.

C3 clutch

  • Engages input shaft and front sun gear.

C4 clutch

  • Engages input shaft and intermediate shaft.

B1 brake

  • Locks rotation of front planetary carrier.

B2 brake

  • Locks rotation of front and middle ring gear.

B3 brake

  • Locks F2 one-way clutch outer race.

B4 brake

  • Locks rotation of rear ring gear.

F1 one-way clutch

  • Locks counterclockwise rotation of front planetary carrier on transmission case.

F2 one-way clutch

  • Locks counterclockwise rotation of front sun gear during B3 brake operation.

F3 one-way clutch

  • Locks counterclockwise rotation of rear ring gear.

  • Locks counterclockwise rotation of middle planetary carrier.

F4 one-way clutch

  • Locks counterclockwise rotation of intermediate shaft during C1 clutch operation.

Structural view

Skeleton diagram

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